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TVOC analysis specific gas chromatograph
It can be widely applied in various analytical fields such as petrochemicals, fine chemicals, pharmaceuticals, environmental monitoring, food hygiene,
Product details
Full Chinese interface, intuitive and simple operation of gas chromatograph. The interface is entirely in Chinese, and the instrument's setting prompts adopt a graphical human-machine dialogue method, allowing for the setting of analysis conditions in a short period of time.
The TVOC analysis specific gas chromatograph is a new type of gas chromatograph with independent intellectual property rights, developed based on years of gas chromatography manufacturing experience and advanced manufacturing technology at home and abroad, combined with domestic application fields and actual user usage.
The TVOC analysis specific gas chromatograph has outstanding characteristics, easy operation, stable and reliable performance, high test data accuracy, strong functionality, and superior cost-effectiveness. It can be widely applied in various analytical fields such as petrochemicals, fine chemicals, pharmaceuticals, environmental monitoring, food hygiene, high-purity gases, electricity, brewing, forensic identification, scientific research, and education.Full Chinese interface, intuitive and simple operation of gas chromatograph
The interface is entirely in Chinese, and the instrument's setting prompts adopt a graphical human-machine dialogue method, allowing for the setting of analysis conditions in a short period of time.
High precision and wide range column box temperature control
Microcomputer based temperature control, high temperature control accuracy, stable and reliable. Equipped with a six channel fully independent temperature control system, the column box can achieve five stage programmed temperature rise; Equipped with an automatic rear door structure, it can be controlled near room temperature and has a fast temperature rise and fall speed.
Simultaneously save ten sets of analysis parameters
Save ten sets of analysis parameters through file format, which can be saved for a long time in the event of power failure; And it can call, initialize, and save files.
Multiple design options to meet different analysis needs simultaneously
The instrument has dual columns and dual gas paths, and can be equipped with three injectors and two detectors: hydrogen flame and thermal conductivity; Dual hydrogen flame or dual thermal conductivity can also be installed simultaneously. It can easily achieve the conversion between packed column injection, direct injection into large-diameter capillary columns, and split injection into small-diameter capillary columns. According to the analysis needs, optional split/non split injectors, gas injection valves, converters, crackers, headspace injectors, pyrolysis gas intakes, etc. can be selected.
High performance detector
*Flame Ionization Detector (FID) - a standard detector for high-sensitivity analysis of organic compounds.
*Thermal conductivity detector (TCD) - a universal detector for analyzing permanent gases and low-carbon organic compounds.
scalability
Instrument expandable optional detectors: Electronic Capture Detector (ECD), Flame Luminescence Detector (FPD)
The instrument can be expanded with optional electronic mass flow meters (EPC)
Can be modified into various specialized chromatographs according to user requirements
Main technical indicators of TVOC analysis specific gas chromatograph
▲ Sensitivity and Sensitivity:
TCD: Sensitivity S ≥ 6000mv. ml/mg (n-hexadecane/isooctane)
FID: Sensitivity M ≤ 8 × 10-12/s (n-hexadecane/iso octane)
▲ Temperature control:
Column box: Room temperature 7 ℃~400 ℃, temperature control accuracy+0.1 ℃
Program heating: 5th stage, lift rate: 0.1-30 ℃/min
Sample injector: Room temperature~400 ℃
Detector: Room temperature~400 ℃
Auxiliary heating zone: room temperature~400 ℃
Patent: Ultra high sensitivity TCD detector
Temperature control: 4-450 ℃ above room temperature, using liquid nitrogen refrigeration: -80 ℃ -400 ℃
Column box temperature control accuracy ± 0.1 ℃
Display accuracy 0.1 ℃
Column box lifting rate 16 step programmed heating, 0-40 ℃/min (adjustable increment of 0.1 ℃/min), up to 80 ℃/min
Program heating repeatability ≤ 1%
TCD detector sensitivity S value ≥ 15000mvml/mg (benzene)
Baseline drift ≤ 30UV/30min
Baseline noise ≤ 10UV
The detection limit of FID detector is ≤ 3 × 10-12g/s (cetane)
Baseline drift ≤ 1 × 10-13A/30min
Baseline noise ≤ 5 × 10-14A/30min
The detection limit of ECD detector is ≤ 3x10-14g/s (r-666)
Baseline drift ≤ 1 × 10-13A
Baseline noise ≤ 5 × 10-14A/30min
FPD detector detection limit ≤ 5x10-11g/s (sulfur in methyl parathion)
Baseline drift ≤ 4 × 10-11A
Baseline noise ≤ 2 × 10-11A/30min
Expansion can add 6 external events
Automation engineering can add: automatic ignition function, automatic sampler connection, four-way flow and pressure display function, and reverse control workstation can be selected to achieve reverse control
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